D. Davide Lamanna James Skene Wolfgang Emmerich SLAng: A Language for Defining Service Level Agreements. 100- 2003 conf/ftdcs/2003 FTDCS http://csdl.computer.org/comp/proceedings/ftdcs/2003/1910/00/19100100abs.htm db/conf/ftdcs/ftdcs2003.html#LamannaSE03